fix: persistent mute toggle, 25%/floor shield regen, halved pressure relief, shielded hits no relief, drop Scavenger perk (0.9.2)

js/perks.js

@@ -7,8 +7,7 @@ const PERKS = [
   { id: 'longbone', name: 'Long Bone',       desc: '+5% range',             apply: s => { s.rangeMul *= 1.05; } },
   { id: 'bigheart', name: 'Big Heart',       desc: '+½ max heart, heal ½ heart', apply: (s, p) => { s.maxHp += 1; p.hp = Math.min(s.maxHp, p.hp + 1); } },
   { id: 'magnetb',  name: 'Magnet Bile',     desc: '+10% pickup radius',    apply: s => { s.magnet *= 1.10; } },
-  { id: 'shieldheart', name: 'Shield Heart', desc: '+½ shield heart at the start of each floor', apply: (s, p) => { s.shieldPerk = (s.shieldPerk || 0) + 1; p.shieldHp = (p.shieldHp || 0) + 1; } },
-  { id: 'scavenge', name: 'Scavenger',       desc: '+4% drop luck',         apply: s => { s.luck += 0.04; } },
+  { id: 'shieldheart', name: 'Shield Heart', desc: '+½ max shield heart (regens 25% per floor)', apply: (s, p) => { s.shieldPerk = (s.shieldPerk || 0) + 1; p.shieldHp = (p.shieldHp || 0) + 1; } },
   { id: 'bloodrush',name: 'Bloodrush',       desc: '+5% XP gain, bonus crystal chance', apply: s => { s.xpMul *= 1.05; } },
   { id: 'deadeye',  name: 'Deadeye',         desc: '+5% shot speed',        apply: s => { s.shotSpeedMul *= 1.05; } },
   { id: 'critbone', name: 'Bone Splitter',   desc: '+2% critical chance',   apply: s => { s.crit += 0.02; } },